Registration of a company name with the Companies Registry does not confer any trade mark rights or any other intellectual property rights in respect of the company name or any part thereof. 公公公公 司司司司 更更更更 改改改改 名名名名 稱稱稱稱 證證證證 明明明明 書書書書 CERTIFICATE OF CHANGE OF NAME 本 人 謹 此 證 明 I hereby certify that POLYONE HONG KONG HOLDING LIMITED 已 藉 特 別 決 議 更 改 其 名 稱 ， 該 公 司 根 據 having by special resolution changed its name, is n ow incorporated under the 香 港 法 例 第 622 章 《 公 司 條 例 》 註 冊 的 名 稱 現 為 Companies Ordinance (Chapter 622 of the Laws of Hon g Kong) in the name of Avient Hong Kong Holding Limited 本 證 明 書 於 二二二二 ＯＯＯＯ 二二二二 一一一一 年 八八八八 月 二二二二 日 發 出 。 Issued on 2 August 20212 August 20212 August 20212 August 2021 . 2021-08-02T11:00:37+0800 The Government of the Hong Kong Special Administrative Region NG Ka Hung Paul Digitally signed by Companies Registry

He leads the company’s efforts in internal and external communications, as well as government and community relations. Rose joined Avient in 2011 and has led communications aspects and initiatives during the company’s specialty portfolio and cultural transformation. He collaborates on communications for strategic company iniativies, as well as for business and functional strategy execution.

He leads the company’s efforts in internal and external communications, as well as government and community relations. Rose joined Avient in 2011 and has led communications aspects and initiatives during the company’s specialty portfolio and cultural transformation. He collaborates on communications for strategic company iniativies, as well as for business and functional strategy execution.

CERTIFICATE CONFIRMING INCORPORATION OF COMPANY AVIENT SINGAPORE PTE. name change effective from 02/08/2021) :Company Name 199006136ZUEN : This is to confirm that the company was incorporated under the Companies Act, on and from 14/12/1990 and that the company is a PRIVATE COMPANY LIMITED BY SHARES. The company was formerly known as: S/N Company Name Effective From 1.

e-Certificate of registration Swedish Companies Registration Office BRANCH D1a- 6858922 Registration number Date of registration of the company Document created on Date of registration of current name Page 516411-5031 2018-08-28 2021-11-30 17:11 2021-11-29 1 (3) Pending matter(s) The register indicates pending matter(s) regarding a change to the registered information at the time this certificate was created. e-Certificate of registration Swedish Companies Registration Office BRANCH D1a- 6858922 Registration number Date of registration of the company Document created on Date of registration of current name Page 516411-5031 2018-08-28 2021-11-30 17:11 2021-11-29 2 (3) Registration number: 516411-5031 Business name: Avient S.à r.l., Sweden Filial Address: Drottninggatan 56 411 07 GÖTEBORG County and municipality: Västra Götaland, Göteborg Note: MANAGING DIRECTOR 630516 Palm, Christoph, Gruss Strooss 35, L-9991 WEISWAMPACH, LUXEMBURG AUDITORS 556053-5873 Ernst & Young Aktiebolag, Box 7850, 103 99 STOCKHOLM Represented by: 850807-5135 PRINCIPALLY RESPONSIBLE AUDITOR 850807-5135 Edman, Mikael Thomas Gunnar, c/o Ernst & Young AB, 401 82 GÖTEBORG SIGNATORY POWER Signatory power alone by Palm, Christoph FINANCIAL YEAR Registered financial year: 0101 - 1231 DATE OF REGISTRATION OF CURRENT AND PREVIOUS BUSINESS NAMES 2021-11-29 Avient S.à r.l., Sweden Filial 2018-08-28 PolyOne S.à.r.l., Sweden Filial INFORMATION ABOUT THE FOREIGN COMPANY B226205 Avient S.á.r.l. 19, Route de Bastogne L-9638 Pommerloch LUXEMBURG Registered office of the foreign company: Pommerloch Name of the register in which the foreign company is registered: e-Certificate of registration Swedish Companies Registration Office BRANCH D1a- 6858922 Registration number Date of registration of the company Document created on Date of registration of current name Page 516411-5031 2018-08-28 2021-11-30 17:11 2021-11-29 3 (3) RCS, Registre de Commerce, Luxembourg Business Register LUXEMBURG Foreign company's financial year: 0101 - 1231 The above information is an extract from the Trade and Industry Register Bolagsverket, the Swedish Companies Registration Office.

Page 3 WATER RESOURCES • ENVIRONMENTAL SERVICES • HEALTH & SAFETY • CLIMATE CHANGE Apex Companies, LLC • (800) 733-2739 • www.apexcos.com Statement of independence, impartiality and competence Apex is an independent professional services company that specializes in Health, Safety, Social and Environmental management services including assurance with over 30 years history in providing these services. Attestation: Scott Johnston, Lead Verifier David Reilly, Technical Reviewer Principal Consultant Principal Consultant Apex Companies, LLC. Apex Companies, LLC.

Page 3 WATER RESOURCES • ENVIRONMENTAL SERVICES • INDUSTRIAL HYGIENE  •  SAFETY  •  SUSTAINABILITY  Apex Companies, LLC • (800) 733‐2739 • www.apexcos.com  Statement of independence, impartiality and competence Apex is an independent professional services company that specializes in Health, Safety, Social and Environmental management services including assurance with over 30 years history in providing these services. Attestation: Scott Johnston, Lead Verifier Cody Lorentson, Technical Reviewer Principal Consultant Program Manager Apex Companies, LLC. Apex Companies, LLC.

Products Innovation is the lifeblood of a specialty company, and our transformation to a specialty company has been defined by the ongoing evolution of our portfolio offerings to meet the product performance needs of our customers. Key 2019 Company Performance Results and Return to Shareholders. Name Company Contributions to Qualified Savings Plan ($) Company Contributions to PolyOne Supplemental Retirement Benefit Plan ($) Tax Gross-Ups ($) Other Benefits ($) J.R.

Business Profile (Company) of AVIENT SINGAPORE PTE. Business Profile (Company) of AVIENT SINGAPORE PTE. Business Profile (Company) of AVIENT SINGAPORE PTE.

Ripple is responsible for developing and leading the company’s global sustainability strategy. Ripple began his current role in January 2019, leading corporate initiatives that help the company achieve critical sustainability and performance goals. Avient’s sustainability efforts have been acknowledged by 3rd party sustainability recognitions such as Newsweek’s America’s Most Responsible Companies, Barron’s 100 Most Sustainable Companies, and USA Today’s Climate Leader awards.